drm/i915/intel_lt_phy: Fix the SPDX identifier comment
Fix the SPDX identifier comment as per the licensing rules [1].
[1] https://www.kernel.org/doc/html/latest/process/license-rules.html
v2: Drop the superfluous blank line. (Jani)
Reviewed-by: Jani Nikula <jani.nikula@intel.com>
Signed-off-by: Ankit Nautiyal <ankit.k.nautiyal@intel.com>
Link: https://patch.msgid.link/20260105121929.576304-1-ankit.k.nautiyal@intel.com